|
Material
|
Hardness (Hv)
|
|---|---|
|
Plain Carbon Steels
|
|
|
Low strength steel
|
140
|
|
High strength steel
|
220
|
|
Low-alloy Steels
|
|
|
4320
|
640
|
|
4340
|
560
|
|
Stainless Steels
|
|
|
303
|
170
|
|
304
|
160
|
|
631 (17-7 PH hardened)
|
520
|
|
631 (17-7 PH annealed)
|
170
|
|
Austenitic AISI 201 (annealed)
|
210
|
|
Martenistic 440C (hardened)
|
635
|
|
630 (17-4 PH hardened)
|
470
|
|
Nickel Alloys
|
|
|
201
|
100
|
|
Nickel-copper Alloys
|
|
|
Monel (annealed)
|
120
|
|
Monel K-500 (annealed)
|
162
|
|
Ni-Cr-Mo-Fe Alloys
|
|
|
Inconnel 625
|
140
|
|
Hastelloy
|
200
|
|
Aluminum
|
|
|
AISI 1100 (annealed)
|
25
|
|
AISI 1110 (cold worked)
|
45
|
|
AISO 2024 (annealed)
|
50
|
|
AISI 2024 T4 (heat treated)
|
125
|
|
AISI 6061 (annealed)
|
32
|
|
AISI 6061 T6 (heat treated)
|
100
|